include/wx/dfb/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dfb/window.h
   3 // Purpose:     wxWindow class
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-10
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DFB_WINDOW_H_
  12 #define _WX_DFB_WINDOW_H_
  13
  14 // ---------------------------------------------------------------------------
  15 // headers
  16 // ---------------------------------------------------------------------------
  17
  18 #include "wx/dfb/ifacehelpers.h"
  19
  20 wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
  21 struct wxDFBWindowEvent;
  22
  23 class WXDLLIMPEXP_CORE wxFont;
  24 class WXDLLIMPEXP_CORE wxTopLevelWindowDFB;
  25
  26 // ---------------------------------------------------------------------------
  27 // wxWindow
  28 // ---------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_CORE wxWindowDFB : public wxWindowBase
  31 {
  32 public:
  33     wxWindowDFB() { Init(); }
  34
  35     wxWindowDFB(wxWindow *parent,
  36                 wxWindowID id,
  37                 const wxPoint& pos = wxDefaultPosition,
  38                 const wxSize& size = wxDefaultSize,
  39                 long style = 0,
  40                 const wxString& name = wxPanelNameStr)
  41     {
  42         Init();
  43         Create(parent, id, pos, size, style, name);
  44     }
  45
  46     virtual ~wxWindowDFB();
  47
  48     bool Create(wxWindow *parent,
  49                 wxWindowID id,
  50                 const wxPoint& pos = wxDefaultPosition,
  51                 const wxSize& size = wxDefaultSize,
  52                 long style = 0,
  53                 const wxString& name = wxPanelNameStr);
  54
  55     // implement base class (pure) virtual methods
  56     // -------------------------------------------
  57
  58     virtual void SetLabel( const wxString &WXUNUSED(label) ) {}
  59     virtual wxString GetLabel() const { return wxEmptyString; }
  60
  61     virtual void Raise();
  62     virtual void Lower();
  63
  64     virtual bool Show(bool show = true);
  65
  66     virtual void SetFocus();
  67
  68     virtual bool Reparent(wxWindowBase *newParent);
  69
  70     virtual void WarpPointer(int x, int y);
  71
  72     virtual void Refresh(bool eraseBackground = true,
  73                          const wxRect *rect = (const wxRect *) NULL);
  74     virtual void Update();
  75     virtual void Clear();
  76     virtual void Freeze();
  77     virtual void Thaw();
  78     bool IsFrozen() const { return m_frozenness > 0; }
  79
  80     virtual bool SetCursor(const wxCursor &cursor);
  81     virtual bool SetFont(const wxFont &font) { m_font = font; return true; }
  82
  83     virtual int GetCharHeight() const;
  84     virtual int GetCharWidth() const;
  85     virtual void GetTextExtent(const wxString& string,
  86                                int *x, int *y,
  87                                int *descent = (int *) NULL,
  88                                int *externalLeading = (int *) NULL,
  89                                const wxFont *theFont = (const wxFont *) NULL)
  90                                const;
  91
  92 #if wxUSE_DRAG_AND_DROP
  93     virtual void SetDropTarget(wxDropTarget *dropTarget);
  94
  95     // Accept files for dragging
  96     virtual void DragAcceptFiles(bool accept);
  97 #endif // wxUSE_DRAG_AND_DROP
  98
  99     virtual WXWidget GetHandle() const { return this; }
 100
 101     // implementation from now on
 102     // --------------------------
 103
 104     // Returns DirectFB surface used for rendering of this window
 105     IDirectFBSurfacePtr GetDfbSurface();
 106
 107     // returns toplevel window the window belongs to
 108     wxTopLevelWindowDFB *GetTLW() const { return m_tlw; }
 109
 110     void OnInternalIdle();
 111
 112 protected:
 113     // implement the base class pure virtuals
 114     virtual void DoClientToScreen(int *x, int *y) const;
 115     virtual void DoScreenToClient(int *x, int *y) const;
 116     virtual void DoGetPosition(int *x, int *y) const;
 117     virtual void DoGetSize(int *width, int *height) const;
 118     virtual void DoGetClientSize(int *width, int *height) const;
 119     virtual void DoSetSize(int x, int y,
 120                            int width, int height,
 121                            int sizeFlags = wxSIZE_AUTO);
 122     virtual void DoSetClientSize(int width, int height);
 123
 124     virtual void DoCaptureMouse();
 125     virtual void DoReleaseMouse();
 126
 127     // move the window to the specified location and resize it: this is called
 128     // from both DoSetSize() and DoSetClientSize() and would usually just call
 129     // ::MoveWindow() except for composite controls which will want to arrange
 130     // themselves inside the given rectangle
 131     virtual void DoMoveWindow(int x, int y, int width, int height);
 132
 133     // return DFB surface used to render this window (will be assigned to
 134     // m_surface if the window is visible)
 135     virtual IDirectFBSurfacePtr ObtainDfbSurface() const;
 136
 137     // this method must be called when window's position, size or visibility
 138     // changes; it resets m_surface so that ObtainDfbSurface has to be called
 139     // next time GetDfbSurface is called
 140     void InvalidateDfbSurface();
 141
 142     // called by parent to render (part of) the window
 143     void PaintWindow(const wxRect& rect, bool eraseBackground);
 144
 145     // implementation of Refresh()
 146     void DoRefreshWindow(bool eraseBack = true);
 147     virtual void DoRefreshRect(const wxRect& rect, bool eraseBack = true);
 148
 149     // DirectFB events handling
 150     void HandleKeyEvent(const wxDFBWindowEvent& event_);
 151
 152 private:
 153     // common part of all ctors
 154     void Init();
 155     // counterpart to SetFocus
 156     void KillFocus();
 157
 158 protected:
 159     // toplevel window (i.e. DirectFB window) this window belongs to
 160     wxTopLevelWindowDFB *m_tlw;
 161
 162 private:
 163     // subsurface of TLW's surface covered by this window
 164     IDirectFBSurfacePtr m_surface;
 165
 166     // position of the window (relative to the parent, not used by wxTLW, so
 167     // don't access it directly)
 168     wxRect m_rect;
 169
 170     // number of calls to Freeze() minus number of calls to Thaw()
 171     unsigned m_frozenness;
 172
 173     friend class wxTopLevelWindowDFB; // for HandleXXXEvent
 174
 175     DECLARE_DYNAMIC_CLASS(wxWindowDFB)
 176     DECLARE_NO_COPY_CLASS(wxWindowDFB)
 177     DECLARE_EVENT_TABLE()
 178 };
 179
 180
 181 #endif // _WX_DFB_WINDOW_H_